{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["entity origin", "cause effect", "message topic", "instrument agency"], "input": "we assessed the efficacy of a recombinant vaccine consisting of outer-surface protein a ( ospa ) without adjuvant in subjects at risk for lyme disease ."}
{"entity origin": [], "cause effect": [], "message topic": [], "instrument agency": []}